METHOD FOR CORRECTING BONE DENSITY AND RECORDING MEDIUM READ BY COMPUTER FOR STORING CORRECTION PROGRAM

摘要

PURPOSE: A method for correcting bone density and a recording medium read by a computer for storing a correction program are provided to correct a variation of radius density due to a variation of conditions by using a phantom of an X-ray image. CONSTITUTION: An image including a target and phantoms having two or more regions of different thickness is obtained(S101). The bone density of the target of the image and an average gray level of each region of the phantoms are calculated(S103). A correlation between the bone density of the target of the image and the average gray level of the regions of the phantoms is extracted by repeating the above processes as much as N number(S105). A variation of radius density due to a variation of conditions in an X-ray inspection process is corrected by using the correlation(S107).